Question

HOW MANY THREE DIGITS NUMBERS CAN BE FORMED USING THE DIGITS 2,3,4,5,6 IF DIGITS CAN BE REPEATED?

Answer 1

$\large\mathbb\green{solution \: -}$

A three digit number is to be formed

from the digits 2,3,4,5,6 where digits can be repeated.

By using the fundamental principle of multiplication, the total number of digit

number

$= 5 \times 5 \times 5$

$= 125$